regnalWiktionary 原文演变路径（由近及远）英语借自 ←中世纪拉丁语 rēgnālis源自 ←拉丁语 rēgnum词源说明From Medieval Latin rēgnālis, from Latin rēgnum + -ālis.释义（英文）形容词 AdjectiveOf or pertaining to the reign of a monarch (or pope).Describing the year of a monarch's reign starting from the date of accession.(biology, taxonomy) Pertaining to a taxon at the rank of regnum (or kingdom).词族派生词（6）ambiregnalinterregnalintraregnalregnal nameregnal numberregnal year